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WDH112.4GHz Digital Wireless HeadphoneUser ManualPlease read before using this headphone.
INTRODUCTIONThis 2.4GHz Digital Wireless Headphone uses latest digital wireless technology that enables you toenjoy crystal sound stereo music and TV sound anywhere inside your home. Simply connect thetransmitter to a desired audio source: DVD player, CD player, TV set, VCR, Hi-Fi system, or iPod.Without complicated wiring and installation, the system enables you to enjoy thrilling, lifelike sound inminutes.FEATURES1.2.4GHz Digital UHF Technology2.31-Channel Frequency Hopping System3.Smart Volume Memory preset4.Electronic Volume Control5.Low Power Indicator Alert6.Docking Charge Mechanism7.Auto On/Off (when without signal)8.Muting9.Speed charging mechanism
COMPONENT PART LISTHeadphone Receiver1. Signal link LED indicator2. Volume Up( ) and Down(-) Control3. Power LED indicator4. ON/OFF Control5. Charging contactsTransmitter6. Power/Signal LED indicator7. Charge LED indicator8. Charging pins9. Attenuation ( ATT) select switch (0dB and –8dB)10. RCA Audio In socket11. DC IN socketAccessories
12. RCA cable13. NiMH AAA size batteries for Headphone (2 pieces)14. AC/DC adaptorINSTALLATIONTRANSMITTER1.Connect the supplied AC/DC power adaptor to an electrical wall outlet.2.Plug the AC/DC power adaptor in the DC jack located on the rear of the transmitter. The redPower/Audio Signal LED starts to flash for around 6 seconds.2.The rear of the transmitter has one audio cord that can be connected to audio output jack of TV,VCR, Hi-Fi, CD/MP3/VCD/DVD players, and iPod.3.For TV/VCR/Hi-Fi, switch the ATT to –8dB. For portable devices, like CD/MP3/VCD/DVD Players,and IPod, switch the ATT to 0 dB.Plug the adaptor in the AC source and connect the audio plug to the audio source. Turn on audiosource, then the transmitter will automatically switch on and the Red LED will light up when it receivesan audio signal.HEADPHONE RECEIVER1.To install or replace the rechargeable batteries, carefully rotate the Right-Hand Side ( R ) Ear Padanti-clockwise and take it out.
2.Insert 2 pieces of AAA size rechargeable batteries (supplied in the package) into the battery3.compartment of headphone cabinet with correct polarity.Restore Ear Pad to the earphone cabinet, according to the indication of arrow marking ( ), afterthe batteries are inserted.OPERATIONTRANSMITTERTurn on the audio source (TV or audio component) to which the transmitter is connected with. ThePower / Signal LED on the transmitter will glow in red when it receives the audio signal.HEADPHONE RECEIVER1.Turn on the headphone by pressing the Power button for approximately 1 second. The POWERLED (Red) will light up, and the green LED will be flashing. When the signal link betweentransmitter and receiver is established, the green LED will light up steadily.2.Place the headphone on your head. To obtain the desired sound level, adjust the volume controlon the headphone
.3.If interference or poor signal reception occurs when out of the operating distance range, theheadphone will be muted with the green LED turned off. Move closer to the transmitter.4.When the batteries of headphone are at low level, the Power Red LED blinks. There will be abeeping sound in each minute for the last 5 minutes. After that, the headphone will switch offautomatically.5.To charge the batteries in the headphone, turn OFF the headphone by pressing the Power buttonfor about 1 second.Place the headphone on the transmitter's charging cradle. The chargingprocess begins automatically, and the Charge Green LED will blink when the charging contacts oftransmitter and headphone are matched successfully. When the charging process is completed,the Charge green LED will light up steadily.Note: For the initial use, please charge the batteries for 7 hours. If the headphone is not in use,please place it back to the transmitter's charging cradle.
IMPORTANT1.Switching Offa)For protection of the transmitter and power saving, the transmitter will be switched offautomatically if there is no audio source signal for approximately 3 minutes. If the audiosource signal returns, the transmitter will be automatically switched on. Then, power onthe headphone again.b)The headphone will be switched off automatically if there is no signal from the transmitterfor 3 minutes.2.Make sure the headphone is turned off when charging is in process.3.Use only the included rechargeable AAA batteries supplied with the product. When theheadphone is not in use, turn the headphone OFF.4.To ensure a long service life, fully charge the batteries before using the headphone for the first
time. Ensure the charging socket located on the right earphone cabinet connects securely withthe charge prongs on the transmitter cradle. According to the capacity of the rechargeablebattery included, the battery charging process will take approximately 5 to 7 hours.This device must be used with the AC/DC adaptor supplied in the package.WARNING Never attempt to recharge conventional dry cells. Batteries (battery pack or batteries installed) shall not be exposed to excessive heat such assunshine, fire or the like. Never use another type of battery or non-rechargeable batteries to replace the rechargeable(LR03/AAA) batteries supplied.When the headphones are not in use, switch it OFF to avoiddamaging the batteries. Excessive sound pressure from earphones and headphones can cause hearing loss.TROUBLE SHOOTINGNo Sound-Ensure the AC/DC adaptor is fully inserted into the AC outlet and the power connection input onthe transmitter.-Ensure the headphone is switched ON.-Headphone battery charge level may be too low, recharge the batteries fully.-Ensure the TV or the connected audio device is switched ON.-The volume of headphone may be too low, adjust the volume to a moderate level.-The audio signal input level is too low. Increase the volume of the audio source.
Distortion-Ensure the volume level of headphone is set to an approximate level.-The headphone is too far from the transmitter, move it closer.-The audio signal input level is too low. Increase the volume of the audio source.TECHNICAL SPECIFICATIONSTransmission Mode:UHF StereoCarrier Frequency:2.4GHz DigitalOperation Voltage:Transmitter, DC 5V 550mAHeadphone, 2 x AAA size Rechargeable NiMH batteries (included)Frequency Response:30Hz 20KHzDistortion:0.5%S/N Ratio:75dBOperation Distance:Up to 30 meters (open area)
This 2.4GHz Digital Wireless Headphone uses latest digital wireless technology that enables you to enjoy crystal sound stereo music and TV sound anywhere inside your home. Simply connect the transmitter to a desired audio source: DVD player, CD player, TV set, VCR, Hi-Fi system, or iPod. . ( ATT) select switch (0dB and -8dB) 10. RCA Audio .
